Ruminations from a jaded old guy

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On the other hand, solar wavelengths can penetrate up to 100m to heat the bulk of the oceans. This solar heat then gets converted to IR radiation emitted by the water molecules, which gets “trapped” by bumping into another water molecule each time the IR emission travels only a few microns in a body of water.

For all four of these physical reasons (and more)

poor absorption by water of IR from greenhouse gases

good reflection by water surfaces of IR from greenhouse gases

penetration depth of water by IR from greenhouse gases of only a few microns, which causes evaporative cooling of the ocean skin surface

cooling of the ocean skin surface by the minority of IR from greenhouse gases that is absorbed rather than reflected

ocean warming can only be related to solar activity and modulators of sunshine at the surface like clouds, and not increased IR radiation from increased greenhouse gases.

This is a death knell for conventional climate models, which falsely assume the opposite of the four physical reasons above, thus falsely claiming IR from greenhouse gases can heat the oceans (70% of Earth’s surface area) and where allegedly 90% of the “missing heat” has gone. This is impossible for the physical reasons noted above, and this new paper adds additional physical reasons why. As the authors find, the false emissivity/absorptivity assumptions of climate models results in a huge difference in model projections of Arctic temperatures by 2C after only 25 years, but the authors are apparently unaware of the reasons why only solar wavelengths can account for ocean warming/cooling, not IR from greenhouse gases.